- All sections
- B - Performing operationstransporting
- B44C - Producing decorative effectsmosaicstarsia workpaperhanging
- B44C 1/22 - Removing surface-material, e.g. by engraving, by etching
Patent holdings for IPC class B44C 1/22
Total number of patents in this class: 1354
10-year publication summary
|
97
|
75
|
47
|
40
|
44
|
34
|
34
|
20
|
14
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13363 |
84 |
| Applied Materials, Inc. | 19628 |
52 |
| Lam Research Corporation | 5433 |
52 |
| JPMorgan Chase Bank, National Association | 8617 |
39 |
| Samsung Electronics Co., Ltd. | 151303 |
26 |
| Apple Inc. | 57058 |
24 |
| Micron Technology, Inc. | 27172 |
24 |
| UNILIN, besloten vennootschap | 937 |
24 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46560 |
23 |
| Kioxia Corporation | 10521 |
17 |
| Hitachi High-Tech Corporation | 5573 |
14 |
| Headway Technologies, Inc. | 686 |
13 |
| Levi Strauss & Co. | 305 |
13 |
| Screen Holdings Co., Ltd. | 3009 |
13 |
| Trinity Industrial Corporation | 112 |
13 |
| CMC Materials LLC | 246 |
13 |
| Corning Incorporated | 10380 |
12 |
| Hueck Rheinische GmbH | 108 |
12 |
| Seagate Technology LLC | 3984 |
11 |
| Align Technology, Inc. | 2202 |
9 |
| Other owners | 866 |